A Queen Mary University study reveals that electron charge and fundamental physical constants also govern blood viscosity — and life depends on their exact values. The fine-tuning problem just got a second, independent layer.
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If you shifted the charge of the electron by just a few percent, blood would become too thick to flow. That's not a metaphor.
Here's what the Queen Mary team found. Liquid viscosity, how easily a fluid flows, turns out to be governed by those same deep physical constants.
A twenty twenty-three follow-up from the same team adds another layer. Liquid viscosity, they argue, isn't just a property you measure in a lab.
The uncertainties are real and worth holding onto. There's no accepted explanation for why the constants have the values they do.
The key watchpoint from here is whether independent biochemical modeling firms up those viscosity margins. If the bio-friendly window is confirmed to be genuinely narrow, the case for multiple independent fine-tuning constraints gets significantly stronger.
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